<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
<div id="app">
    <input type="button" value="切换显示状态" @click="changeIsShow">
    <input type="button" value="+" @click="addAge">
    <img src="../img0006.jpg" alt="" v-show="isShow">
    <img src="../2.jpg" alt="" v-show="age>=18">
</div>
<!-- 开发环境版本，包含了有帮助的命令行警告 -->
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
    let v = new Vue({
        el: "#app",
        data: {
            isShow:true,
            age:17,
        },
        methods:{
            changeIsShow(){
                this.isShow=!this.isShow;
            },
            addAge(){
                this.age++;
            }
        }
    })
</script>
</body>

</html>